Catenary arch barrel building toy



FIG. 1 is a front perspective view of a catenary arch barrel building toy showing my new design, the side opposite being a mirror image;

FIG. 2 is a right side elevational view thereof, the side opposite being a mirror image;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof; and

FIG. 5 is an enlarged scale view of one of the bottom barrel-shaped building elements resting on the toy base. 

The ornamental design for a catenary arch barrel building toy, as shown and described. 